Blejsko Jezero
Blejsko Jezero in Unknown, Slovenia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5.5 m visibility. Phosphorus: 12 µg/L.
- Clarity
- 5.5 m
Why Blejsko Jezero has no A–F grade
Blejsko Jezero in Slovenia is published with the authority's own measurements, not a LakeQuality letter. official authority class; not a LakeQuality A–F letter Sampling here has recorded water clarity and phosphorus, but not algae (chlorophyll-a).
A letter on the LakeQuality scale would be an invention, not an official class. Everything below that has been measured is still reported on this page.
Monitoring: the Slovenian Environment Agency (ARSO), via UNEP GEMS/Water.
Blejsko Jezero is a lake in Unknown County, Slovenia.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2023-12-11. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Blejsko Jezero
These readings exist but do not meet the evidence bar for an A–F grade — see why.
Crystal clear, you can see 18 ft down. Phosphorus level: 12 µg/L. Trophic State Index: 38.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.5 m | Not graded |
| Phosphorus | 12 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 38 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Blejsko Jezero
Compare lakeside cabins, hotels, and vacation rentals near Blejsko Jezero in Unknown, Slovenia — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Fishing Blejsko Jezero
Frequently asked questions about Blejsko Jezero
What is the water quality of Blejsko Jezero?
- Blejsko Jezero in Unknown, Slovenia has official water-quality measurements, not a LakeQuality A–F grade. Water clarity: 5.5 m visibility. Phosphorus: 12 µg/L.
Is Blejsko Jezero safe to swim in?
- Blejsko Jezero has official nutrient and clarity measurements, not a bacteria swim class and not a safety clearance. Algal blooms, currents, and depth are not covered. Always check local notices before swimming.
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Where this data comes from
22 measurements from 1 monitoring station, 2021–2023. Retrieved from UNEP GEMS/Water GFQA (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- European Environment Agency
europeanenvironmentagenc22 samples · —
Analytical methods
- GEMStat OPEN / CC BY 4.0
Monitoring station identifiers (1)
SVN00004
Authority classifications are stored separately from LakeQuality A–F letters and are never blended. See methodology and data sources.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2023-12-11
Monitoring stations: 1